Volcanic Landforms



Vocabulary


Sheild Volcano: a wide, gently sloping mountain made of layers of lava and formed by quiet eruptionsComposite
Cinder cone: a steep, cone-shaped hill or mountain made of volcanic ash ,cinders,and bombs piled up around a volcano's opening
Composite Volcano: a tall, cone-shaped mountains in which layers of lava alternate wiht layers of ash and other volcanic materials
Caldera: the large hole at the top of a volcano formed when the roof of a volcano's magma chamber caollapses
Volcanic neck: a deposit of hardened magma in a volcano's pipe
Dike: a slab of volcanic rock formed when magma forces itself across rock layers
Sill: a slab of volcanic rock formed when magma squeezes between layers of rock
Batholith: a mass of rock formed when a large body of magma cooled inside the crust

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**Outline ----
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Landforms From Lava and Ash

  • Sheild Volcanoes
Sheild Volcanoes created the Hawaiian Islands
  • Cinder Cone Volcanoes
If a volcano's lava is thick and stiff, it may produce ash,cinders, and bombs
  • Composite Volcanoes
Mount Shasta and Lassen Peak are California's composite volcanoes
  • Lava Plateaus

  • Calderas
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